For this type of question, youll need this type of answer...
10's for some what of deep bass
12's for low bass
15's for low low bass
18's for deep deep deep low low bass
Hope that explains at how to get low bass. //content.invisioncic.com/y282845/emoticons/veryhappy.gif.fec4fed33b4a1279cf10bdd45a039dae.gif